Drinking straw cleaning brush



FIG. 1 is a front elevational view of the drinking straw cleaning brush showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is an enlarged top plan view thereof;

FIG. 6 is an enlarged bottom plan view thereof; and,

FIG. 7 is an elevational view showing a use thereof on a reduced scale.

The broken line showing of a straw and drinking cup in FIG. 7 of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a drinking straw cleaning brush, as shown and described. 